new_format

def new_format(T,F):
#@param T: text with style
#@param F: format
  stili = ["italics", "plain", "bold", "underlined"] #stili possibili

  if (F[0] not in stili) or ( (F[1]>=len(T[0])) or (F[2]>=len(T[0])) ) or (F[1]<0 or F[2]<=0):
    pass

  else:
    flag = 0
    for i in range(1,len(T)):
      if(T[i][0] == F[0]):
        if (F[1]>=T[i][1] and F[1]<=T[i][2]) or (F[2]<=T[i][2] and F[2]>=T[i][1]) or ( not( (F[1]>T[i][2]) or (F[2]<T[i][1]) ) ):
          T[i][1] = min(T[i][1], F[1])
          T[i][2] = max(T[i][2], F[2])

        else:
          flag+=1

      else:
        flag+=1


    if flag == len(T[1:]):
      T.append(F)